letters = [('A','a'),('B','b'),('C','c'),('D','d'),('E','e'),('F','f'),('G','g'),
           ('H','h'),('I','i'),('J','j'),('K','k'),('L','l'),('M','m'),('N','n'),
           ('O','o'),('P','p'),('Q','q'),('R','r'),('S','s'),('T','t'),
           ('U','u'),('V','v'),('W','w'),('X','x'),('Y','y'),('Z','z')]

for i in letters:
    print(i[0],"-",i[1])